| 摘要 |
PROBLEM TO BE SOLVED: To provide a ventilation system which enables ventilation of the whole housing even when an existing door is built exactly as standard. SOLUTION: In a housing, ventilating fans F1, F2, etc., for air supply are provided in a living room, and ventilating fans JF1, SF1, etc., for exhaust are provided in a non-living rooms. To select the kinds of the ventilating fans F1, etc., for air supply, the pressure losses of doors D1, D2, etc., of a room where the ventilating fans F1, etc., for air supply are taken into consideration. Moreover, to select the kinds of the ventilating fans JF1, etc., for exhaust, the pressure losses of the doors D4, etc., of the room where the ventilating fans JF1, etc., are located for exhaust are taken into consideration.
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